/*
 * Copyright 2017-2018 Allegro.pl
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { Datum, PlywoodValue } from "plywood";
import { Essence } from "../../../../../common/models/essence/essence";
import { formatSegment } from "../../../../../common/utils/formatter/formatter";
import { getNominalDimension, hasNominalSplit } from "../../utils/splits";

export function nominalValueKey(datum: Datum, essence: Essence): string {
  if (!hasNominalSplit(essence)) return "no-nominal-split";
  const nominalDimension = getNominalDimension(essence);
  const splitValue = datum[nominalDimension.name] as PlywoodValue;
  return formatSegment(splitValue, essence.timezone);
}
